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author | Peter Eisentraut <peter@eisentraut.org> | 2022-03-30 08:56:58 +0200 |
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committer | Peter Eisentraut <peter@eisentraut.org> | 2022-03-30 09:02:31 +0200 |
commit | 072132f04e55c1c3b0f1a582318da78de7334379 (patch) | |
tree | d855c0b1716968cd26966e34f41f77de0c0d0af6 /src/backend/utils/adt/json.c | |
parent | edcedcc2c7bb8390858bbccda9637318598f2473 (diff) | |
download | postgresql-072132f04e55c1c3b0f1a582318da78de7334379.tar.gz postgresql-072132f04e55c1c3b0f1a582318da78de7334379.zip |
Add header matching mode to COPY FROM
COPY FROM supports the HEADER option to silently discard the header
line from a CSV or text file. It is possible to load by mistake a
file that matches the expected format, for example, if two text
columns have been swapped, resulting in garbage in the database.
This adds a new option value HEADER MATCH that checks the column names
in the header line against the actual column names and errors out if
they do not match.
Author: Rémi Lapeyre <remi.lapeyre@lenstra.fr>
Reviewed-by: Daniel Verite <daniel@manitou-mail.org>
Reviewed-by: Peter Eisentraut <peter.eisentraut@enterprisedb.com>
Discussion: https://www.postgresql.org/message-id/flat/CAF1-J-0PtCWMeLtswwGV2M70U26n4g33gpe1rcKQqe6wVQDrFA@mail.gmail.com
Diffstat (limited to 'src/backend/utils/adt/json.c')
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